If no fans are allowed at NFL games, Jets' Sam Darnold knows the adjustment every team must makeBeing able to hear everything without thousands screaming and yelling is huge5/6/2020, 1:00 AMNov 24, 2019; East Rutherford, NJ, USA; New York Jets quarterback Sam Darnold (14) throws against the Oakland Raiders in the first half at MetLife Stadium. Mandatory Credit: Robert Deutsch-USA TODAY Sportsundefined